[XFS] Ensure file size updates have been completed before writing inode to disk.

SGI-PV: 968767
SGI-Modid: xfs-linux-melb:xfs-kern:29675a

Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Signed-off-by: David Chinner <dgc@sgi.com>
Signed-off-by: Tim Shimmin <tes@sgi.com>

fs/xfs/linux-2.6/xfs_aops.c

@@ -181,6 +181,7 @@ xfs_setfilesize(
 		ip->i_d.di_size = isize;
 		ip->i_update_core = 1;
 		ip->i_update_size = 1;
+		mark_inode_dirty_sync(vn_to_inode(ioend->io_vnode));
 	}
 
 	xfs_iunlock(ip, XFS_ILOCK_EXCL);

fs/xfs/linux-2.6/xfs_super.c

@@ -415,8 +415,10 @@ xfs_fs_write_inode(
 
 	if (vp) {
 		vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
-		if (sync)
+		if (sync) {
+			filemap_fdatawait(inode->i_mapping);
 			flags |= FLUSH_SYNC;
+		}
 		error = bhv_vop_iflush(vp, flags);
 		if (error == EAGAIN)
 			error = sync? bhv_vop_iflush(vp, flags | FLUSH_LOG) : 0;